1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Hardware definitions for Palm Tungsten|T5
4 *
5 * Author: Marek Vasut <marek.vasut@gmail.com>
6 *
7 * Based on work of:
8 * Ales Snuparek <snuparek@atlas.cz>
9 * Justin Kendrick <twilightsentry@gmail.com>
10 * RichardT5 <richard_t5@users.sourceforge.net>
11 *
12 * (find more info at www.hackndev.com)
13 */
14
15 #include <linux/platform_device.h>
16 #include <linux/delay.h>
17 #include <linux/irq.h>
18 #include <linux/gpio_keys.h>
19 #include <linux/input.h>
20 #include <linux/memblock.h>
21 #include <linux/pda_power.h>
22 #include <linux/pwm_backlight.h>
23 #include <linux/gpio.h>
24 #include <linux/wm97xx.h>
25 #include <linux/power_supply.h>
26 #include <linux/usb/gpio_vbus.h>
27
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
31
32 #include "pxa27x.h"
33 #include <mach/audio.h>
34 #include "palmt5.h"
35 #include <linux/platform_data/mmc-pxamci.h>
36 #include <linux/platform_data/video-pxafb.h>
37 #include <linux/platform_data/irda-pxaficp.h>
38 #include <linux/platform_data/keypad-pxa27x.h>
39 #include "udc.h"
40 #include <linux/platform_data/asoc-palm27x.h>
41 #include "palm27x.h"
42
43 #include "generic.h"
44 #include "devices.h"
45
46 /******************************************************************************
47 * Pin configuration
48 ******************************************************************************/
49 static unsigned long palmt5_pin_config[] __initdata = {
50 /* MMC */
51 GPIO32_MMC_CLK,
52 GPIO92_MMC_DAT_0,
53 GPIO109_MMC_DAT_1,
54 GPIO110_MMC_DAT_2,
55 GPIO111_MMC_DAT_3,
56 GPIO112_MMC_CMD,
57 GPIO14_GPIO, /* SD detect */
58 GPIO114_GPIO, /* SD power */
59 GPIO115_GPIO, /* SD r/o switch */
60
61 /* AC97 */
62 GPIO28_AC97_BITCLK,
63 GPIO29_AC97_SDATA_IN_0,
64 GPIO30_AC97_SDATA_OUT,
65 GPIO31_AC97_SYNC,
66 GPIO89_AC97_SYSCLK,
67 GPIO95_AC97_nRESET,
68
69 /* IrDA */
70 GPIO40_GPIO, /* ir disable */
71 GPIO46_FICP_RXD,
72 GPIO47_FICP_TXD,
73
74 /* USB */
75 GPIO15_GPIO, /* usb detect */
76 GPIO93_GPIO, /* usb power */
77
78 /* MATRIX KEYPAD */
79 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
80 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
81 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
82 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
83 GPIO103_KP_MKOUT_0,
84 GPIO104_KP_MKOUT_1,
85 GPIO105_KP_MKOUT_2,
86
87 /* LCD */
88 GPIOxx_LCD_TFT_16BPP,
89
90 /* PWM */
91 GPIO16_PWM0_OUT,
92
93 /* FFUART */
94 GPIO34_FFUART_RXD,
95 GPIO39_FFUART_TXD,
96
97 /* MISC */
98 GPIO10_GPIO, /* hotsync button */
99 GPIO90_GPIO, /* power detect */
100 GPIO107_GPIO, /* earphone detect */
101 };
102
103 /******************************************************************************
104 * GPIO keyboard
105 ******************************************************************************/
106 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
107 static const unsigned int palmt5_matrix_keys[] = {
108 KEY(0, 0, KEY_POWER),
109 KEY(0, 1, KEY_F1),
110 KEY(0, 2, KEY_ENTER),
111
112 KEY(1, 0, KEY_F2),
113 KEY(1, 1, KEY_F3),
114 KEY(1, 2, KEY_F4),
115
116 KEY(2, 0, KEY_UP),
117 KEY(2, 2, KEY_DOWN),
118
119 KEY(3, 0, KEY_RIGHT),
120 KEY(3, 2, KEY_LEFT),
121 };
122
123 static struct matrix_keymap_data palmt5_matrix_keymap_data = {
124 .keymap = palmt5_matrix_keys,
125 .keymap_size = ARRAY_SIZE(palmt5_matrix_keys),
126 };
127
128 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
129 .matrix_key_rows = 4,
130 .matrix_key_cols = 3,
131 .matrix_keymap_data = &palmt5_matrix_keymap_data,
132
133 .debounce_interval = 30,
134 };
135
palmt5_kpc_init(void)136 static void __init palmt5_kpc_init(void)
137 {
138 pxa_set_keypad_info(&palmt5_keypad_platform_data);
139 }
140 #else
palmt5_kpc_init(void)141 static inline void palmt5_kpc_init(void) {}
142 #endif
143
144 /******************************************************************************
145 * GPIO keys
146 ******************************************************************************/
147 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
148 static struct gpio_keys_button palmt5_pxa_buttons[] = {
149 {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
150 };
151
152 static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
153 .buttons = palmt5_pxa_buttons,
154 .nbuttons = ARRAY_SIZE(palmt5_pxa_buttons),
155 };
156
157 static struct platform_device palmt5_pxa_keys = {
158 .name = "gpio-keys",
159 .id = -1,
160 .dev = {
161 .platform_data = &palmt5_pxa_keys_data,
162 },
163 };
164
palmt5_keys_init(void)165 static void __init palmt5_keys_init(void)
166 {
167 platform_device_register(&palmt5_pxa_keys);
168 }
169 #else
palmt5_keys_init(void)170 static inline void palmt5_keys_init(void) {}
171 #endif
172
173 /******************************************************************************
174 * Machine init
175 ******************************************************************************/
palmt5_reserve(void)176 static void __init palmt5_reserve(void)
177 {
178 memblock_reserve(0xa0200000, 0x1000);
179 }
180
181 static struct gpiod_lookup_table palmt5_mci_gpio_table = {
182 .dev_id = "pxa2xx-mci.0",
183 .table = {
184 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_DETECT_N,
185 "cd", GPIO_ACTIVE_LOW),
186 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_READONLY,
187 "wp", GPIO_ACTIVE_LOW),
188 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_POWER,
189 "power", GPIO_ACTIVE_HIGH),
190 { },
191 },
192 };
193
palmt5_init(void)194 static void __init palmt5_init(void)
195 {
196 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
197 pxa_set_ffuart_info(NULL);
198 pxa_set_btuart_info(NULL);
199 pxa_set_stuart_info(NULL);
200
201 palm27x_mmc_init(&palmt5_mci_gpio_table);
202 palm27x_pm_init(PALMT5_STR_BASE);
203 palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
204 palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N,
205 GPIO_NR_PALMT5_USB_PULLUP, 1);
206 palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
207 palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE,
208 GPIO_NR_PALMT5_EARPHONE_DETECT, 95);
209 palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER);
210 palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1);
211 palm27x_pmic_init();
212 palmt5_kpc_init();
213 palmt5_keys_init();
214 }
215
216 MACHINE_START(PALMT5, "Palm Tungsten|T5")
217 .atag_offset = 0x100,
218 .map_io = pxa27x_map_io,
219 .reserve = palmt5_reserve,
220 .nr_irqs = PXA_NR_IRQS,
221 .init_irq = pxa27x_init_irq,
222 .handle_irq = pxa27x_handle_irq,
223 .init_time = pxa_timer_init,
224 .init_machine = palmt5_init,
225 .restart = pxa_restart,
226 MACHINE_END
227